diff --git a/lib/Db/PublicationType.php b/lib/Db/PublicationType.php
index b7a5a307..68b2e6e7 100644
--- a/lib/Db/PublicationType.php
+++ b/lib/Db/PublicationType.php
@@ -140,7 +140,7 @@ public function getSchema(IURLGenerator $urlGenerator): object
 		$schema['required'] = [];
 		$schema['properties'] = [];
 
-		foreach($this->getProperties() as $name => $property) {
+		foreach ($this->getProperties() as $name => $property) {
 			if ($property['required'] === true) {
 				$schema['required'][] = $name;
 			}
diff --git a/lib/Service/ObjectService.php b/lib/Service/ObjectService.php
index b8084d7a..9a5e022f 100644
--- a/lib/Service/ObjectService.php
+++ b/lib/Service/ObjectService.php
@@ -307,7 +307,7 @@ public function saveObject(string $objectType, array $object, bool $updateVersio
 		// Get the appropriate mapper for the object type
 		$mapper = $this->getMapper($objectType);
 
-		if($objectType === 'publication') {
+		if ($objectType === 'publication') {
 			$object = $this->validationService->validatePublication($object);
 		}
 
diff --git a/lib/Service/ValidationService.php b/lib/Service/ValidationService.php
index b3f974d0..dc863d36 100644
--- a/lib/Service/ValidationService.php
+++ b/lib/Service/ValidationService.php
@@ -5,12 +5,16 @@
 use OCA\OpenCatalogi\Db\CatalogMapper;
 use OCA\OpenCatalogi\Db\Publication;
 use OCA\OpenCatalogi\Db\PublicationType;
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\AppFramework\Db\MultipleObjectsReturnedException;
 use OCP\AppFramework\OCS\OCSBadRequestException;
 use OCP\AppFramework\OCS\OCSNotFoundException;
 use OCP\IAppConfig;
 use OCP\IURLGenerator;
 use Opis\JsonSchema\Errors\ErrorFormatter;
 use Opis\JsonSchema\Validator;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 
 /**
  * Class ValidationService
@@ -33,10 +37,10 @@ public function __construct(
 	 * @param Publication $publication The publication to validate.
 	 * @return Publication The validated publication.
 	 *
-	 * @throws \OCP\AppFramework\Db\DoesNotExistException
-	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException
-	 * @throws \Psr\Container\ContainerExceptionInterface
-	 * @throws \Psr\Container\NotFoundExceptionInterface
+	 * @throws DoesNotExistException
+	 * @throws MultipleObjectsReturnedException
+	 * @throws ContainerExceptionInterface
+	 * @throws NotFoundExceptionInterface
 	 */
 	public function validatePublication(array $publication): array
 	{
@@ -52,7 +56,7 @@ public function validatePublication(array $publication): array
 
 		$publication['validation'] = [];
 
-		if($result->hasError()) {
+		if ($result->hasError()) {
 			$errors = (new ErrorFormatter())->format($result->error());
 			$publication['validation'] = $errors;
 		}